Method freeze_support

Lib/multiprocessing/context.py:144–156

Check whether this is a fake forked process in a frozen executable. If so then run code specified by commandline and exit.

(self)

                     ctx=self.get_context())

    def freeze_support(self):
        '''Check whether this is a fake forked process in a frozen executable.
        If so then run code specified by commandline and exit.
        '''
        # gh-140814: allow_none=True avoids locking in the default start
        # method, which would cause a later set_start_method() to fail.
        # None is safe to pass through: spawn.freeze_support()
        # independently detects whether this process is a spawned
        # child, so the start method check here is only an optimization.
        if (getattr(sys, 'frozen', False)
                and self.get_start_method(allow_none=True) in ('spawn', None)):
            from .spawn import freeze_support
            freeze_support()

    def get_logger(self):
        '''Return package logger -- if it does not already exist then